#xcommand @ <nRow>, <nCol> SAY  ;
             [ <clausulas,...> ] ;
             <wnd: OF, WINDOW, DIALOG> <oWnd> ;
             [ <*masclausulas*> ]  ;
      => ;
          @ <nRow>, <nCol> __SAYOF__ <oWnd> __SAY__ ;
             [ <clausulas>  ] ;
             [ <masclausulas> ]


